| Flughafenkürzel |
Stadt / Flughafen |
| PIE |
St. Petersburg, FL - St. Petersburg-Clearwater International Airport |
| SYN |
Stanton, MN - Stanton Airfield |
| JSD |
Startford, CT - Sikorsky Heliport |
| SCE |
State College, PA |
| UNV |
State College, PA - University Park |
| TBR |
Statesboro, GA - Statesboro Municipal Airport |
| SVH |
Statesville, NC - Statesville Municipal Airport |
| SHD |
Staunton/Waynesboro/Harrisonburg, VA - Shenandoah Valley Regional Airport |
| WSB |
Steamboat Bay, AK - Steamboat Bay Seaplane Base |
| HDN |
Steamboat Springs (Hayden), CO - Yampa Valley Airport |
| SBS |
Steamboat Springs, CO - Steamboat Springs/Bob Adams Field STOL |
| WBB |
Stebbins, AK - Stebbins Airport |
| SEP |
Stephenville, TX - Clark Field Municipal Airport |
| STK |
Sterling, CO - Crosson Field |
| SQI |
Sterling/Rock Falls, IL - Whiteside County Airport-Jos H. Bittorf Field |
| JFN |
Steubenville, OH - Jefferson County Airpark |
| STE |
Stevens Point, WI - Stevens Point Municipal Airport |
| SVS |
Stevens Village, AK - Stevens Village Airport |
| SWO |
Stillwater, OK - Stillwater Municipal Airport |
| SCK |
Stockton, CA - Stockton Metropolitan Airport |
| SRV |
Stony River, AK - Stony River 2 Airport |
| SLB |
Storm Lake, IA - Storm Lake Municipal Airport |
| MMN |
Stow, MA - Minute Man Air Field |
| STH |
Strathmore, CA - Eckert Field |
| SUD |
Stroud, OK - Stroud Municipal Airport |
| SSW |
Stuart Island, WA - Stuart Island Airpark |
| SUA |
Stuart, FL - Witham Field |
| SUE |
Sturgeon Bay, WI - Door County Cherryland Airport |
| IRS |
Sturgis, MI - Kirsch Municipal Airport |
| SGT |
Stuttgart, AR - Stuttgart Municipal Airport |
| SGR |
Sugar Land (Houston), TX - Sugar Land Municipal Airport/Hull Field |
| SIV |
Sullivan, IN - Sullivan County Airport |
| UUV |
Sullivan, MO - Sullivan Regional Airport |
| SLR |
Sulphur Springs, TX - Sulphur Springs Municipal Airport |
| NFD |
Summerdale, AL - Summerdale Naval Outlying Field |
| DYB |
Summerville, SC - Dorchester County Airport |
| UMM |
Summit, AK - Summit Airport |
| SSC |
Sumter, SC - Shaw Air Force Base |
| SUM |
Sumter, SC - Sumter Municipal Airport |
| SUN |
Sun Valley (Hailey), ID - Friedman Memorial Airport |
| SUC |
Sundance, WY - Schloredt Airport |
| JSV |
Sunnyvale, CA - Sunnyvale Airport |
| SUW |
Superior, WI - Richard I. Bong Airport |
| SVE |
Susanville, CA - Susanville Municipal Airport |
| NJM |
Swansboro, NC - Bogue Field Marine Corps Auxiliary Landing Field |
| SWW |
Sweetwater, TX - Avenger Field |
| JYL |
Sylvania, GA - Plantation Airpark |
| SYV |
Sylvester, GA - Sylvester Airport |
| SYR |
Syracuse, NY - Syracuse Hancock International Airport |
| TCM |
Tacoma, WA - McChord Air Force Base |